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Finding the Fourth Proportional to 17,966.70, 26,950.05 and 17,160.30

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Solution

The fourth proportional to 17,966.70, 26,950.05 and 17,160.30 is: 25,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.70 : 26,950.05 = 17,160.30 : x
  2. Step 2: Convert to fraction form
    17,966.70/26,950.05 = 17,160.30/x
  3. Step 3: Cross multiply
    17,966.70x = 26,950.05 × 17,160.30
  4. Step 4: Simplify right side
    17,966.70x = 462,470,943.02
  5. Step 5: Solve for x
    x = 462,470,943.02/17,966.70
  6. Step 6: Final answer
    x = 25,740.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.